CN104747386B - Wind power generator unit frequency converter cooling device - Google Patents
Wind power generator unit frequency converter cooling device Download PDFInfo
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- CN104747386B CN104747386B CN201510133944.0A CN201510133944A CN104747386B CN 104747386 B CN104747386 B CN 104747386B CN 201510133944 A CN201510133944 A CN 201510133944A CN 104747386 B CN104747386 B CN 104747386B
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- heat dissipation
- dissipation tank
- frequency converter
- tower
- coolant
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a kind of wind power generator unit frequency converter cooling device, the device is located at the frequency converter in tower, pipeline pump and coolant pipe, pipeline pump is connected by coolant pipe with the heater element in frequency converter, cooling device also includes a heat dissipation tank, the heat dissipation tank is flat thin structure and casing side wall is used as using the subregion of tower wall, the area of the side wall is more than the area of its adjacent each side wall, heat dissipation tank is provided with coolant inlet and cooling liquid outlet, cooling liquid outlet is connected by coolant pipe with pipeline pump, coolant inlet is connected by the heater element of coolant pipe and frequency converter, make heat dissipation tank, the heater element of pipeline pump and frequency converter forms a circulation loop.The cooling device of the present invention, it is simple in construction, it is skillfully constructed, the coolant in heat dissipation tank is cooled rapidly as radiator using the tower wall of large area, save the energy, environmental noise is reduced, being one improves the existing practicable good scheme of wind power generator unit frequency converter cooling system.
Description
Technical field
The present invention relates to the cooling device in a kind of wind generating technology, more particularly to a kind of wind generating technology,
Specifically relate to a kind of wind power generator unit frequency converter cooling device.
Background technology
Wind-power electricity generation is as a kind of emerging energy having a high potential, the characteristics of its is renewable, pollution-free, inexpensive, into
For the emerging energy industry of most commercialized development prospect, also it is widely adopted all over the world, wind-power electricity generation is possible into
For the following most important alternative energy source in the world.
Large-scale wind power generating set is made up of two large divisions：Mechanical part and electric part, mechanical part include wind wheel,
Yaw system, pitch-controlled system and brake system, its function are that wind driving generator rotates, and wind energy is converted into mechanical energy；Electrically
Part includes generator, frequency converter, transformer and power network, and its function is that to convert mechanical energy into frequency, waveform consistent with power network
Constant alternating current.
In the process of running, its frequency converter can produce heat, it is necessary to cool down processing to it to wind power generating set,
At present using water cooling system.The water cooling system of existing wind power generator unit frequency converter, generally include pipeline pump, radiating
Device and related water pipe, pipeline pump, radiator are concatenated into a cooling circuit, pipeline by the heater element of water pipe and frequency converter
Pump is arranged in tower, and radiator is arranged on outside tower, and radiator is dissipating by being arranged on the air blower of its side and blowing cold air
Cooling is carried out on the fan blade of hot device, as shown in Figure 1.One single-machine capacity be 2000 kilowatts of wind power generating set, it is necessary to
Two 4 kilowatts of air blower does not stop to can be only achieved the corresponding effect that cools, this frequency conversion to its radiator air blast for 24 hours
Device cooling system, not only need to expend the substantial amounts of energy, and produce very loud environmental noise, in addition, being arranged at outside tower
Radiator and air blower, it is necessary to a very big maintenance expense, these not only increase wind for destruction easily affected by environment and artificial
The cost that power generates electricity, and influence the efficiency of wind-power electricity generation.For problem above, applicant of the present invention have developed a kind of new
The energy-conservation cooling system of wind power generator unit frequency converter, and apply on April 17th, 2014 to State Intellectual Property Office
Patent of invention is simultaneously authorized, Patent No. 201420186906.2, and the system utilizes tower without radiator and air blower
The air of inner-outer circulation cools down to the coolant in pipeline, but because the system needs to set hydrothermal solution point in tower
Stream device, cold liquid current divider, high-order catch box and Duo Gen have the radiating tube that the stainless steel tube of certain length is formed, thus structure ratio
More complicated, construction is also cumbersome.
The content of the invention
To overcome the problem present on, it is an object of the invention to provide a kind of simple in construction, easy, radiating effect of constructing
Good wind power generator unit frequency converter cooling device.
To realize object above, wind power generator unit frequency converter cooling device of the invention, including in tower
Frequency converter, pipeline pump and coolant pipe, pipeline pump is connected by coolant pipe with the heater element in frequency converter, and feature is,
The cooling device also includes a heat dissipation tank, the heat dissipation tank be flat thin structure and using the subregion of tower wall as
One side wall of casing, the area of the side wall are more than the area of its adjacent each side wall, and heat dissipation tank is provided with coolant inlet and cooling
Liquid is exported, and cooling liquid outlet is connected by coolant pipe with pipeline pump, and coolant inlet passes through coolant pipe and the hair of frequency converter
Thermal element connects, and the heater element of heat dissipation tank, pipeline pump and frequency converter is formed a circulation loop.
In order to more preferably improve radiating effect, above-mentioned heat dissipation tank is located on tower lateral wall, and coolant inlet is located at heat dissipation tank
Top, cooling liquid outlet is located at the bottom of heat dissipation tank, and coolant pipe is through the coolant inlet of tower wall and heat dissipation tank and cold
But liquid outlet connection.
In order to further improve radiating effect, the above-mentioned heat dissipation tank lateral wall outside tower is provided with fin, should
Fin be located at in the heat dissipation tank side wall of tower wall opposite side.
In order to reduce the change to tower wall as far as possible, above-mentioned heat dissipation tank is located on tower madial wall, and coolant inlet is located at
The top of heat dissipation tank, cooling liquid outlet are located at the bottom of heat dissipation tank.
In order that coolant contact with heat dissipation tank side wall is more abundant, and so that coolant cools rapidly, above-mentioned heat dissipation tank
It is interior to be provided with horizontal parallel deflector.
In order to avoid blower fan stops generating electricity for a long time, when the environment temperature on frequency converter periphery is higher than the temperature of frequency converter, compared with
Hot air can congeal into the globule, so as to cause frequency converter short-circuit, together to the colder heating original paper of frequency converter on heating original paper
When frozen also for winter of the coolant prevented outside the tower in heat dissipation tank in cold, so as to influence the stream of coolant
Dynamic, above-mentioned cooling device is provided with coolant on the coolant pipe between the cooling liquid outlet of heat dissipation tank and pipeline pump and added
Hot device.
In order to be matched with the pipeline pump of existing wind power generator unit frequency converter water cooling system, while reach more preferable cooling
Effect, the preferred 1-5m × 1-5m of length and width of the above-mentioned heat dissipation tank using tower wall as that side of side wall, the thickness of heat dissipation tank are preferred
0.02-0.1m。
In order to eliminate pressure influence to caused by radiating tank wall caused by hydrothermal solution expansion, while reduce the outer parts of tower
Set, above-mentioned heat dissipation tank is located at the cooling system in tower, is provided with opening at the top of heat dissipation tank, opening is socketed with use
In the expanding bag or expansion drum of regulation heat dissipation tank volume；Above-mentioned heat dissipation tank is located at the cooling device outside tower, close to cold
But the liquid entrance and coolant pipe top surface in the tower is provided with opening, opening is socketed with for adjusting the swollen of heat dissipation tank volume
Swollen bag or expansion drum.
For the ease of the replacing of coolant, above-mentioned heat dissipation tank is located at the cooling system in tower, in heat dissipation tank bottom
Provided with coolant leakage fluid dram；Above-mentioned heat dissipation tank is located at the cooling device outside tower, between cooling liquid outlet and pipeline pump
Provided with filter, filter bottom is provided with coolant leakage fluid dram.
In order that other side walls of heat dissipation tank can also cool rapidly during with air contact, above-mentioned heat dissipation tank divided by
Tower wall is made for other side walls of side wall using stainless steel plate.
The cooling device of the wind power generator unit frequency converter of the present invention, with existing wind power generator unit frequency converter water
Cooling system is compared, and is had the following advantages：
1st, using setting heat dissipation tank, and a side using the subregion of tower wall as heat dissipation tank in or beyond tower
Wall, risen and atop a tower nature as radiator, while using hot gas is past by the use of about 1000 square metres of steel wall of whole tower
The characteristics of wind wind-force is big, during natural wind contacts with tower wall, the heat of heat dissipation tank is taken away rapidly, made positioned at radiating
The coolant with frequency converter heater element heat is cooled rapidly in case, in the case of without using air blower, can be reached
To the effect that cools well, the energy can be not only greatlyd save, and the environmental noise of whole wind power plant can be substantially reduced.
2nd, whole cooling device is arranged in tower or only heat dissipation tank is arranged at outside tower, can reduce ectocine
With avoid artificial destruction, greatly reduce time and the expense of maintenance, while generated energy is improved, greatly save generating into
This.
3rd, cooling device of the invention, it is simple in construction, it is skillfully constructed, it is substantial without being carried out to the structure of tower
Change, existing wind power generator unit frequency converter water cooling system can be utilized to be located at the part in tower, then increased on tower wall
Put a heat dissipation tank to achieve that, construction is easy, and cost is low, and effect is good, has extensive market prospects.
Brief description of the drawings
Fig. 1 is the structural representation of the water cooling system of existing wind power generator unit frequency converter.
Fig. 2 is the structural representation of wind power generator unit frequency converter cooling device one embodiment of the present invention.
Fig. 3 is the structural representation of another embodiment of wind power generator unit frequency converter cooling device of the present invention.
Fig. 4 is that the internal structure of heat dissipation tank cuts open figure.
Fig. 5 is the structure chart that fin is watched along A directions.
Embodiment
Embodiment 1
As shown in Figure 2,4, the cooling device of wind power generator unit frequency converter of the present invention, including in tower 1
Frequency converter 2, pipeline pump 3, heat dissipation tank 4, coolant heater 5 and coolant pipe 6, heat dissipation tank are located at the middle and lower part of tower and with towers
A side wall of the barrel as casing, heat dissipation tank are in flat and thin, its length × width x thickness=1-5m × 1-5m × 0.02-0.1m, with tower
Barrel is length × wide=1-5m × 1-5m of that side of side wall；The upper box part that radiates is provided with coolant inlet 41, bottom is provided with cooling
Liquid outlet 42, cooling liquid outlet are connected by heater element of the coolant pipe successively with coolant heater, pipeline pump and frequency converter
Connect, coolant inlet is connected by the heater element of coolant pipe and frequency converter, makes heat dissipation tank, coolant heater, pipeline pump
A circulation loop is formed with the heater element of frequency converter；Opening is provided with the top of heat dissipation tank, opening is socketed with scattered for adjusting
The expanding bag 43 of hot tank volume, heat dissipation tank bottom are provided with coolant leakage fluid dram 44, and the inner chamber of heat dissipation tank is provided with horizontal parallel conductive
Flowing plate 45, deflector is fixed on the front-rear side walls of heat dissipation tank.
Embodiment 2
As shown in Fig. 3,4,5, the cooling device of wind power generator unit frequency converter of the present invention, including in tower 1
Frequency converter 2, pipeline pump 3, coolant heater 5, coolant pipe 6 and heat dissipation tank 4, heat dissipation tank outside tower be located at tower
Middle and lower part and a side wall using tower wall as casing, heat dissipation tank is in flat and thin, its length × width x thickness=1-5m × 1-5m ×
0.02-0.1m, length × wide=1-5m × 1-5m using tower wall as that side of side wall；Coolant inlet is provided with the top of heat dissipation tank
41st, bottom is provided with cooling liquid outlet 42, cooling liquid outlet by pass through the coolant pipe of tower wall successively with coolant heater,
Pipeline pump connects with the heater element of frequency converter, and coolant inlet is by passing through the heating of the coolant pipe and frequency converter of tower wall
Element connects, and the heater element of heat dissipation tank, coolant heater, pipeline pump and frequency converter is formed a circulation loop；By
Nearly coolant inlet and the coolant pipe top surface in tower are provided with opening, and opening is socketed with for adjusting heat dissipation tank volume
Expanding bag 43, filter 7 is provided between cooling liquid outlet and pipeline pump, filter bottom is provided with coolant leakage fluid dram 44,
The inner chamber of heat dissipation tank is provided with horizontal parallel deflector 45, and deflector is fixed on the front-rear side walls of heat dissipation tank；In order to more enter one
Step improves radiating effect, and the lateral wall of heat dissipation tank is provided with fin 8, and the fin is positioned at the radiating with tower wall opposite side
In case side wall.
The operation principle of wind power generator unit frequency converter cooling device of the present invention is：Due to heat dissipation tank, pipeline pump,
The heater element of frequency converter is concatenated into a circulation loop, and during generator operation, frequency converter starts to generate heat, and pipeline pump is defeated by coolant
The heater element of frequency converter is sent to, the cooled liquid band of heat of heater element is walked, and the coolant with heat is entered by coolant
Mouth enters heat dissipation tank, is fully contacted with heat dissipation tank side wall along deflector, now, the tower as that region of the side wall of heat dissipation tank one
Barrel, other regions of tower wall are transferred heat to rapidly, whole tower wall is turned into a large-scale radiator, due to hot gas
Toward rising, and the outer natural wind wind-force of tower in eminence is big, and natural wind will radiate rapidly during being contacted with tower wall
The heat of case is taken away, and the coolant with frequency converter heater element heat in heat dissipation tank is cooled rapidly, after cooling
Coolant pipeline pump is entered by cooling liquid outlet, be continuing with.
When blower fan, stopping generates electricity for a long time, when the environment temperature on frequency converter periphery is higher than the temperature of frequency converter, you can open
Coolant heater, allow the circulatory system to work on, the temperature of frequency converter heater element is remained above the environment temperature on periphery, keep away
Exempt from frequency converter short circuit.
When blower fan stops generating electricity for a long time, the coolant in heat dissipation tank outside tower such as freezes in the winter of cold
Phenomenon, before blower fan prepares to generate electricity, you can open coolant heater, make coolant proper flow.
The cooling device of the present invention, is entered by the use of the tower wall of large area as radiator to the coolant in heat dissipation tank
Row cools, and not only cooling is rapid, saves the energy, and can greatly reduce environmental noise, and being one improves existing wind-force hair
The practicable good scheme of group of motors frequency converter cooling system.
The cooling device of the present invention, it is also suitable for generator windings and cooling unshakable in one's determination.
Simply wind power generator unit frequency converter of the present invention saves illustrating for cooling device one embodiment above,
But the embodiment simultaneously is not used to limit the scope of the invention, all equivalence enforcements or change without departing from technical solution of the present invention
More, the shape such as heat dissipation tank, the change in the position of tower wall, coolant inlet and outlet position, should be included in the model of the present invention
In enclosing.
Claims (9)
1. a kind of wind power generator unit frequency converter cooling device, including frequency converter, pipeline pump and cooling in tower
Liquid pipe, pipeline pump are connected by coolant pipe with the heater element in frequency converter, it is characterised in that：The cooling device is also
Including a heat dissipation tank, the heat dissipation tank, should for flat thin structure and using the subregion of tower wall as casing side wall
The area of side wall is more than the area of its adjacent each side wall, and heat dissipation tank is provided with coolant inlet and cooling liquid outlet, cooling liquid outlet
It is connected by coolant pipe with pipeline pump, coolant inlet is connected by the heater element of coolant pipe and frequency converter, makes radiating
The heater element of case, pipeline pump and frequency converter forms a circulation loop；Horizontal parallel deflector is provided with heat dissipation tank.
2. wind power generator unit frequency converter cooling device according to claim 1, it is characterised in that：The heat dissipation tank
On tower lateral wall, coolant inlet is located at the top of heat dissipation tank, and cooling liquid outlet is located at the bottom of heat dissipation tank, coolant
Pipe connects through the coolant inlet and cooling liquid outlet of tower wall and heat dissipation tank.
3. wind power generator unit frequency converter cooling device according to claim 2, it is characterised in that：It is described to be located at tower
Cylinder outside heat dissipation tank lateral wall be provided with fin, the fin be located at in the heat dissipation tank side wall of tower wall opposite side.
4. wind power generator unit frequency converter cooling device according to claim 1, it is characterised in that：The heat dissipation tank
On tower madial wall, coolant inlet is located at the top of heat dissipation tank, and cooling liquid outlet is located at the bottom of heat dissipation tank.
5. the wind power generator unit frequency converter cooling device according to claim 3 or 4, it is characterised in that：It is described cold
But it is provided with coolant heater on coolant pipe of the heat sink between the cooling liquid outlet of heat dissipation tank and pipeline pump.
6. wind power generator unit frequency converter cooling device according to claim 5, it is characterised in that：The heat dissipation tank
A width of 1-5m × the 1-5m of length using tower wall as that side of side wall, the thickness of heat dissipation tank is 0.02-0.1m.
7. wind power generator unit frequency converter cooling device according to claim 6, it is characterised in that：The heat dissipation tank
Cooling system in tower, opening is provided with the top of heat dissipation tank, and opening is socketed with for adjusting heat radiation box
Long-pending expanding bag or expansion drum；The heat dissipation tank is located at the cooling device outside tower, in close coolant inlet and is located at
Coolant pipe top surface in tower is provided with opening, and opening is socketed with expanding bag or expansion drum for adjusting heat dissipation tank volume.
8. wind power generator unit frequency converter cooling device according to claim 7, it is characterised in that：The heat dissipation tank
Cooling system in tower, coolant leakage fluid dram is provided with heat dissipation tank bottom；The heat dissipation tank is located at outside tower
Cooling device, is provided with filter between cooling liquid outlet and pipeline pump, and filter bottom is provided with coolant leakage fluid dram.
9. wind power generator unit frequency converter cooling device according to claim 8, it is characterised in that：The heat dissipation tank
Other side walls in addition to tower wall are made using stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510133944.0A CN104747386B (en) | 2015-03-26 | 2015-03-26 | Wind power generator unit frequency converter cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510133944.0A CN104747386B (en) | 2015-03-26 | 2015-03-26 | Wind power generator unit frequency converter cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104747386A CN104747386A (en) | 2015-07-01 |
| CN104747386B true CN104747386B (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510133944.0A Active CN104747386B (en) | 2015-03-26 | 2015-03-26 | Wind power generator unit frequency converter cooling device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106922450A (en) * | 2017-04-19 | 2017-07-07 | 王承辉 | The system that the heat produced using frequency converter or inverter carries out warmhouse booth plantation |
| CN106888865A (en) * | 2017-04-19 | 2017-06-27 | 王承辉 | The heat produced using frequency converter or inverter carries out the device of warmhouse booth plantation |
| CN109281808B (en) * | 2018-11-30 | 2023-09-05 | 南京工业职业技术学院 | Energy-saving cooling system of wind driven generator |
| CN114017269B (en) * | 2021-10-25 | 2023-04-14 | 华能沂水风力发电有限公司 | Cooling device for counter-current circulating type wind driven generator frequency converter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011007224A2 (en) * | 2009-07-13 | 2011-01-20 | Clipper Windpower, Inc. | Low cost, high thermal conductivity heat flux transporter |
| CN102128139A (en) * | 2011-01-26 | 2011-07-20 | 南京航空航天大学 | Wind driven generator cooled by tower barrel wall |
| CN202483806U (en) * | 2012-01-16 | 2012-10-10 | 国电联合动力技术有限公司 | Heat dissipation device of wind power generation water-cooling system and water-cooling system |
| CN103939295B (en) * | 2014-04-17 | 2016-06-29 | 王承辉 | The energy-conservation cooling system of wind power generator unit frequency converter |
| CN204553115U (en) * | 2015-03-26 | 2015-08-12 | 王承辉 | A kind of wind power generator unit frequency converter cooling device |
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2015
- 2015-03-26 CN CN201510133944.0A patent/CN104747386B/en active Active
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